diff --git a/.github/workflows/cmake-ci.yml b/.github/workflows/cmake-ci.yml
index effc070af..7015f8f2d 100644
--- a/.github/workflows/cmake-ci.yml
+++ b/.github/workflows/cmake-ci.yml
@@ -44,6 +44,10 @@ jobs:
             build_mode: dev
             extra_flags: "-Werror"
             parquet_tools: true
+          - name: "CMake Protobuf Tools"
+            os: ubuntu-latest
+            build_mode: dev
+            protobuf_tools: true
           - name: "CMake Linux (No Introspection)"
             os: ubuntu-latest
             build_mode: dev
@@ -86,6 +90,10 @@ jobs:
             CMAKE_ARGS="$CMAKE_ARGS -DOPENZL_BUILD_BENCHMARKS=ON"
           fi
 
+          if [ "${{ matrix.protobuf_tools }}" = "true" ]; then
+            CMAKE_ARGS="$CMAKE_ARGS -DOPENZL_BUILD_PROTOBUF_TOOLS=ON"
+          fi
+
           echo "Running: cmake $CMAKE_ARGS .."
           cmake $CMAKE_ARGS ..